Finding the Third Proportional to 72,684 and 103,074

Step by Step Solution

1. Step 1: Write the proportion equation
   72,684 : 103,074 = 103,074 : x
2. Step 2: Convert to fraction form
   72,684/103,074 = 103,074/x
3. Step 3: Cross multiply
   72,684x = 103,074 × 103,074
4. Step 4: Simplify right side
   72,684x = 10,624,249,476
5. Step 5: Solve for x
   x = 10,624,249,476/72,684
6. Step 6: Final answer
   x = 146,170.40